. >> a moving and inspiring, keeping america great. good night. >>> from cnn world headquarters in atlanta, this is "early start weekend." extreme heat baking half the country. more than 300,000 still without power, and at least 30 dead. while a cold front is on the way, the relief may come at a dangerous price. we'll explain. >>> plus, it might be cool temperatures at wimbledon, but it is hot on the court. for the first time in 74 years, a brit will play in the men's finals. we'll take you there live. >>> later -- >> we're still outselling most acts. >> my interview with beatles great ringo starr. his legacy, birthday, and, of course, his music. >>> it is sunday, july 8. good morning, everyone, i'm randi kaye. we start with another day of record temperatures across the country. the triple-digit highs being blamed for at least 30 deaths across seven states. the extreme heat has also led to power problems. more than 300,000 people were without electricity and, more importantly, air conditioning. some relief may be on the way. a cold front is moving down from the great lakes, heading south.